Stowable mask



FIG. 1 is a front, left isometric view of the stowable mask being worn by a user; the mask shown unstowed from its pocket.

FIG. 2 is an isometric view of the stowable mask, shown laid flat;

FIG. 3 is a front elevational view, showing the top portion of the mask folded back;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear elevational view thereof.

The broken lines in FIG. 1, showing portions of the human form, illustrate the design in use, and form no part of the claimed design. The broken lines, on the surface of the mask, in FIGS. 1-3 and 8, represent stitching. The remaining broken lines in FIGS. 1-8, showing the neckband, represent the portions of the design, which form no part of the claim. 

The ornamental design for a stowable mask, as shown and described. 